Jack Miller #43 Prima Pramac Yamaha MotoGP Rider Signed Pink MotoGP Knee Slider + COA

Jack Peter Miller (born 18 January 1995) is an Australian Grand Prix motorcycle racer who rides for the Prima Pramac Yamaha MotoGP. He was the German 2011 IDM 125cc International Champion. Miller has won four races in the premier class, his first at the 2016 Dutch TT on a Marc VDS Honda, his second and third in consecutive weekends of May 2021, at Jerez, Spain, and Le Mans, France on a Ducati, and his fourth at the 2022 Motul Grand Prix of Japan, also on a Ducati. He has finished as the championship runner-up in the 2014 Moto3 World Championship.

Miller now uses the nickname 'Thriller', whereas earlier in his career he was known as 'Jackass'.

The knee slider was signed at the 2025 British MotoGP - Day of Champions at Silverstone.